vim: Add gU/gu/g~ (#12782)

Co-Authored-By: ethanmsl@gmail.com

Release Notes:

- vim: Added `gu`/`gU`/`g~` for changing case. (#12565)

crates/vim/src/vim.rs

@@ -539,6 +539,9 @@ impl Vim {
                 | Operator::Replace
                 | Operator::Indent
                 | Operator::Outdent
+                | Operator::Lowercase
+                | Operator::Uppercase
+                | Operator::OppositeCase
         ) {
             self.start_recording(cx)
         };